Outline: The original idea was for markup to have an opening and closing tag, and for there to be text between tags. The first part was added as a feature and explained to the Community in this announcement. It was decided that the second part couldn't be done until ACC 2.0 and therefore the only thing added in this feature was to have another option in the Quick Markup area above posts to disable all markup.

The markup update linked to in the previous paragraph, also makes it cumbersome for people to share templates on ACC. Here is a simple line: